(1997). Encyclopaedia of educational learning and teaching technology: Vol.6. Anmol.
Dyfyniad Arddull ChicagoEncyclopaedia of Educational Learning and Teaching Technology: Vol.6. New Delhi: Anmol, 1997.
Dyfyniad MLAEncyclopaedia of Educational Learning and Teaching Technology: Vol.6. Anmol, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.